diff options
| author | Paul B Mahol <onemda@gmail.com> | 2021-10-09 01:50:04 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2021-10-09 14:03:39 +0200 |
| commit | 95cae4922d340e69de3bde592e2dc5c481c3956b (patch) | |
| tree | d513740e5b08f3a668506f3776887a565f09f001 /doc | |
| parent | 9b17273c77ee2868ef34abc49efa70260453235b (diff) | |
doc/filters: specify more axcorrelate design
The typical 1D normalized cross-correlation is not same as
1D windowed normalized cross-correlation.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index ca9203d02d..c063316ed3 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -3154,7 +3154,7 @@ ffmpeg -i INPUT -af atrim=end_sample=1000 @end itemize @section axcorrelate -Calculate normalized cross-correlation between two input audio streams. +Calculate normalized windowed cross-correlation between two input audio streams. Resulted samples are always between -1 and 1 inclusive. If result is 1 it means two input samples are highly correlated in that selected segment. |